http://www.complex.com/music/2012/02/10-new-chicago-rappers-to-watch-out-for/#gallery http://www.fakeshoredrive.com/2012/02/fsd-freshmen-2012-tys-five-artists-you-should-know.html/ http://somanyshrimp.com/2012/02/09/12-producers-of-12/ 勉強